Peanut Butter Kit Kat

The Peanut Butter Kit Kat is a popular flavor variant of the classic Kit Kat chocolate bar, where the traditional wafer layers are combined with a creamy peanut butter filling and coated in milk chocolate. It typically features crispy wafer biscuits sandwiched with peanut butter cream, all enrobed in a smooth chocolate shell. This flavor is widely available in markets like the United States, Canada, and the United Kingdom, often as a limited-edition or permanent addition to the Kit Kat lineup.

🍳 View the full Peanut Butter Kit Kat recipe →

🍽️ Nutrition at a glance

As a confectionery item, it is high in both carbohydrates and fats, with the peanut butter contributing a modest amount of protein. A single bar (around 42 grams) generally provides about 220-240 calories, along with key nutrients like fats from cocoa butter and peanuts, and quick energy from sugars.

Nutrition breakdown

Calories	220 kcal
Protein	3 g
Carbs	28 g
Fat	11 g
Fiber	1 g
Sugar	20 g
Sodium	50 mg
Calcium	20 mg
Iron	1.5 mg
Potassium	100 mg
Magnesium	20 mg
Phosphorus	40 mg
Vitamin B6	0.1 mg
Niacin (B3)	2 mg
Folate	15 mcg

Per 2 bars (42 g) · estimated, varies by recipe

💡 What's interesting

Culturally, it represents a successful fusion of two beloved snack categories—chocolate wafer bars and peanut butter—reflecting a trend towards indulgent, hybrid treats. Nutritionally, the inclusion of peanut butter adds a source of plant-based protein and monounsaturated fats, which can make it slightly more satiating than a standard chocolate bar, though it remains an occasional treat.